This interesting little sculpture caught our eye. Called the Perpetual Ball Roller, it simply rolls a ball on a track. It has both manual and automatic modes with variations in the automatic mode ...

[Jon Mendenhall] fixed this deficiency by designing a model roller coaster that accurately simulates a full-sized ride. The track and cart are all made of 3D printed pieces, which altogether took ...

由Glenn Verheij打造的3D平台多人竞速游戏《Gum Ball Run》现已正式在Steam平台免费推出，游戏支持线上玩家对战，该作暂不支持中文。 游戏简介： 《Gum Ball Run》 是一款免费的 3D 多人赛车平台游戏，多达 15 ...

The principal types of roller bearings are cylindrical, spherical, and tapered. In general, roller bearings offer higher load capacities than ball bearings of the same size. Cylindrical Roller ...

These bearings can handle little or no radial loads. The rolling element can be a ball, needle, or roller. Slewing ring or turntable bearings can accommodate axial, radial and moment loads. They are ...

Did you know that roller coasters don't have engines? That’s because they don’t need them! Gravity is the force that pulls things to the ground. Roller coasters rely on gravity to take them to ...

You don't need a whole roller rink to get started—just lace up your skates and practice a few things at home. Roller skating has always felt like freedom to me. When you're going fast ...

October 2, 2024: We’ve checked for new Death Ball codes. What are the new Death Ball codes? If you’re looking for some free gems to afford the anime-inspired skin of your dreams or the best ...

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces ... And a circle becomes a sphere with just one large, curved face, like a ball. Perfect for, uh, rolling.

More affordable than ever, 3D printers are booming for personal, professional, and educational use. Here's everything to know before you buy one, along with the top models from our hands-on testing.

The steepest and rarest discounts on Apple products, bestselling skin care, the most-wanted appliances and much more for ...

The steepest and rarest discounts on Apple products, bestselling skin care, the most-wanted appliances and much more for ...